PageComm.cs

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
/// <summary>
/// 页内输入输出格式转化，基本逻辑验证
/// Summary description for PageCommon
/// </summary>
public class PageCommon
{
    public PageCommon()
    {
        //
        // TODO: Add constructor logic here
        //
    }
  
    /// <summary>
    /// 输出分页格式
    /// </summary>
    /// <param name="currentindex"></param>
    /// <param name="pagesize"></param>
    /// <param name="recordcount"></param>
    /// <returns></returns>
    public static string GetCustomInfoHtml(int currentindex, int pagesize, int recordcount)
    {
        int begin = (currentindex - 1) * pagesize + 1;
        if (recordcount == 0) begin = 0;
        int end = (currentindex - 1) * pagesize + pagesize > recordcount ? recordcount : (currentindex - 1) * pagesize + pagesize;
        return "第" + begin.ToString() + "-" + end.ToString() + "条，共" + recordcount + " 条信息";
    }
    /// <summary>
    /// 对一个table 搜索关键字,返回结果集
    /// </summary>
    /// <param name="sdt"></param>
    /// <param name="key"></param>
    /// <param name="p"></param>
    /// <returns></returns>
    public static DataTable SelectTable(DataTable sdt,string key,params int[] p)
    {
        DataTable  ndt = sdt.Clone();
        if (p != null && !string.IsNullOrEmpty(key))
        {
            int maxCol = sdt.Columns.Count;
            bool b = false;
            for (int j = 0; j < sdt.Rows.Count; j++)
            {
                b = false;
                DataRow drw = sdt.Rows[j];
                for (int i = 0; i < p.Length; i++)
                {
                    if (p < maxCol)
                    {
                        if (drw[p].ToString().Contains(key))
                        {
                            b = true;
                        }
                    }
                }
                if (b)
                {
                    ndt.ImportRow(drw);
                }
            }
            return ndt;
        }
        else
        {
            return sdt;
        }
      
    }
    //弹出提示框后转URL
    public static void Redirect(string word, string url)
    {
        string str = "<script>alert(\"" + word + "\");location.replace('" + url + "');</script>";
        HttpContext.Current.Response.Write(str);
        HttpContext.Current.Response.End();
    }
    public override string ToString()
    {
        return base.ToString();
    }
    #region 基本 对类的输入输出格式转化 Get开头
    /// <summary>
   /// 将一个Object转化为字符串输出
   /// </summary>
   /// <param name="obj"></param>
   /// <returns></returns>
    public static String GetAcString(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return "";
        }
        else
        {
            return obj.ToString().Trim();
        }
    }    
    /// <summary>
    /// 将一个Object转化为int输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static int GetAcInt(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return 0;
        }
        else
        {
            return int.Parse(obj.ToString().Trim());
        }
    }
    /// <summary>
    /// 将一个Object转化为decimal 2位输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static decimal GetAcDecimal(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return 0;
        }
        else
        {
            decimal d=Convert.ToDecimal(obj.ToString().Trim());
            return decimal.Round(d, 2);
        }
    }
    /// <summary>
    /// 扩大100 将一个Object转化为decimal 2位输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static decimal GetDecimalExp100(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return 0;
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString().Trim());
            return d * 100;
        }
    }
    /// <summary>
    /// 缩小100 将一个Object转化为decimal 2位输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static decimal GetDecimalDiv100(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return 0;
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString().Trim())/100;
            return decimal.Round(d,2);
        }
    }  
    /// <summary>
    /// 将一个Object转化为decimal 2位输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static decimal GetAdChinaNum(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return 0;
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString().Trim());
            return d/100;
        }
    }
    #endregion
    #region 基本页面 web 格式设置 Shw开头
    /// <summary>
    /// 将一个Object转化为货币输出 不要小数点
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static object ShwCurrencyNoPoint(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return "0.00";
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString());
            String str = String.Format("{0:c2}", d);
            if (str.Contains("￥") || str.Contains("$"))
            {
                if (d < 0) { str = str.Substring(2); str = "-" + str; }
                else str = str.Substring(1);
            }
            return str;
        }
    }
    /// <summary>
    /// 将一个Object转化为货币输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>1
    public static object GetCurrency(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return "0.00";
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString());
            String str = String.Format("{0:c2}", d);
            if (str.Contains("￥") || str.Contains("$"))
            {
                if (d < 0) { str = str.Substring(2); str = "-" + str; }
                else  str = str.Substring(1);
            }
            return str;
        }
    }
    /// <summary>
    /// 将一个Object转化为货币输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>1
    public static string GetCurrency(decimal d1)
    {
        if (d1==0)
        {
            return "0.00";
        }
        else
        {
            decimal d = Convert.ToDecimal(d1.ToString());
            String str = String.Format("{0:c2}", d);
            if (str.Contains("￥") || str.Contains("$"))
            {
                if (d < 0) { str = str.Substring(2); str = "-" + str; }
                else str = str.Substring(1);
            }
            return str;
        }
    }
    /// <summary>
    /// 将一个Object转化为货币输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public static object GetCurrency(String obj)//
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return "0.00";
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString());
            String str = String.Format("{0:c2}", d);
            if (str.Contains("￥") || str.Contains("$"))
            {
                if (d < 0) { str = str.Substring(2); str = "-" + str; }
                else str = str.Substring(1);
            }
            return str;
        }
    }
    /// <summary>
    /// 缩小100 将一个Object转化为货币输出
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>2
    public static String GetCurrencyDiv100(object obj)
    {
        if (obj == null || String.IsNullOrEmpty(obj.ToString().Trim()))
        {
            return "0.00";
        }
        else
        {
            decimal d = Convert.ToDecimal(obj.ToString()) / 100;
            String str = String.Format("{0:c2}", d);
            if (str.Contains("￥") || str.Contains("$"))
            {
                if (d < 0) { str = str.Substring(2); str = "-" + str; }
                else str = str.Substring(1);
            }
            return str;
        }
    }
  
    #endregion
    #region 基本逻辑验证
    /// <summary>
    /// 判断object对象是否为空
    /// </summary>
    /// <param name="obj"></param>
    /// <returns>是空 为true</returns>
    public static bool CheckNull(object obj)
    {
        if (obj == null ||obj==DBNull.Value||string.IsNullOrEmpty(obj.ToString()))
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    public static string GetNullOfLine(object obj)
    {
        if (obj == null || obj == DBNull.Value || string.IsNullOrEmpty(obj.ToString()))
        {
            return "--";
        }
        else
        {
            return obj.ToString();
        }
    }
    public static String GetDateTime(object obj)
    {
        if (obj == null || obj == DBNull.Value || string.IsNullOrEmpty(obj.ToString()))
        {
            return String.Empty;
        }
        else
        {
            String uda = string.Empty;
            try
            {
                uda = Convert.ToDateTime(obj).ToString("yyyy-MM-dd");
            }
            catch
            {

            }
            return uda.ToString();
        }
    }
    #endregion
}